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Table 2 Required parameters for Repace and Lowrey's model regarding retrospective exposure assessment of air nicotine concentration

From: Quantification of ETS exposure in hospitality workers who have never smoked

Parameter (Unit)

Data source

Room volume V (in m3)

Fixed size for each hospitality environment

Number of guests/seats (in persons)

Mandatory legal standards define the maximum occupancy

Ventilation rate (in l/s pro Person)

In Germany: E DIN EN 15251/ASR (defined standard) for uninhabited buildings

Nicotine emission per cigarette (in mg nicotine per cigarette)

Means could be derived from measurements and studies of the accordant time period

Loss by nicotine deposit on surfaces (in percent)

Known physical parameter (80%) [58]

Number of smoked cigarettes per smoker (in/h)

Epidemiological data for observed time period

Smoker prevalence (in %)

Epidemiological data for observed time period